Redox flow battery cell stack



FIG. 1 is a front view of a first embodiment of a redox flow batterycell stack showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front, top, right side perspective view thereof;

FIG. 8 is a referential top plan view thereof;

FIG. 9 is a cross-sectional view taken along a combination of lines9A-9B-9C-9D-9E-9F in FIG. 8 thereof;

FIG. 10 is a rear, bottom, left side perspective view thereof;

FIG. 11 is a front view of a second embodiment of a redox flow batterycell stack showing our new design;

FIG. 12 is a rear view thereof;

FIG. 13 is a right side view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a top plan view thereof;

FIG. 16 is a bottom plan view thereof;

FIG. 17 is a front, top, right side perspective view thereof;

FIG. 18 is a referential top plan view thereof;

FIG. 19 is a cross-sectional view taken along a combination of lines19A-19B-19C-19D-19E-19F in FIG. 18 thereof;

FIG. 20 is a rear, bottom, left side perspective view thereof;

FIG. 21 is a front view of a third embodiment of a redox flow batterycell stack showing our new design;

FIG. 22 is a rear view thereof;

FIG. 23 is a right side view thereof;

FIG. 24 is a left side view thereof;

FIG. 25 is a top plan view thereof;

FIG. 26 is a bottom plan view thereof;

FIG. 27 is a front, top, right side perspective view thereof;

FIG. 28 is a referential top plan view thereof;

FIG. 29 is a cross-sectional view taken along a combination of lines29A-29B-29C-29D-29E-29F in FIG. 28 thereof;

FIG. 30 is a rear, bottom, left side perspective view thereof;

FIG. 31 is a front view of a fourth embodiment of a redox flow batterycell stack showing our new design;

FIG. 32 is a rear view thereof;

FIG. 33 is a right side view thereof;

FIG. 34 is a left side view thereof;

FIG. 35 is a top plan view thereof;

FIG. 36 is a bottom plan view thereof;

FIG. 37 is a front, top, right side perspective view thereof;

FIG. 38 is a referential top plan view thereof;

FIG. 39 is a cross-sectional view taken along a combination of lines39A-39B-39C-39D-39E-39F in FIG. 38 thereof; and,

FIG. 40 is a rear, bottom, left side perspective view thereof.

CLAIM The ornamental design for a redox flow battery cell stack, asshown and described.